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authorRandy Dunlap <rdunlap@xenotime.net>2006-10-03 01:13:50 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:03:41 -0700
commiteed34d0fc5e4b89269053ed855ef714edbcf4518 (patch)
tree62b8756937231eb28dea460cf8a0276fb56dc2eb /kernel/dma.c
parentd3717bdf8f08a0e1039158c8bab2c24d20f492b6 (diff)
downloadlinux-sh-eed34d0fc5e4b89269053ed855ef714edbcf4518.tar.gz
[PATCH] kernel-doc for kernel/dma.c
Add kernel-doc function headers in kernel/dma.c and use it in DocBook. Clean up kernel-doc in mca_dma.h (the colon (':') represents a section header). Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/dma.c')
-rw-r--r--kernel/dma.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/dma.c b/kernel/dma.c
index aef0a45b7893..2020644c938a 100644
--- a/kernel/dma.c
+++ b/kernel/dma.c
@@ -62,6 +62,11 @@ static struct dma_chan dma_chan_busy[MAX_DMA_CHANNELS] = {
};
+/**
+ * request_dma - request and reserve a system DMA channel
+ * @dmanr: DMA channel number
+ * @device_id: reserving device ID string, used in /proc/dma
+ */
int request_dma(unsigned int dmanr, const char * device_id)
{
if (dmanr >= MAX_DMA_CHANNELS)
@@ -76,7 +81,10 @@ int request_dma(unsigned int dmanr, const char * device_id)
return 0;
} /* request_dma */
-
+/**
+ * free_dma - free a reserved system DMA channel
+ * @dmanr: DMA channel number
+ */
void free_dma(unsigned int dmanr)
{
if (dmanr >= MAX_DMA_CHANNELS) {